At 6x6x3 [X*Z*Y], it might not be the most compact, but it's ceratinly close… (the only one smaller I had a link to labeled in my bookmarks is @ ~3m30 here youtube.com/watch?v=oqz7oG0CviU which is 5x3x5 [X*Z*Y] and so not directly comparable)

Good work

Rollback Post to RevisionRollBack

WARNING: I have an extemely "grindy" playstyle; YMMV — if this doesn't seem fun to you, mine what you can from it & bin the rest.